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154 lines
3.2 KiB
PHP
154 lines
3.2 KiB
PHP
--TEST--
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Testing floatval() and its alias doubleval() functions : usage variations - different data types as $y arg
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--FILE--
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<?php
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/* Prototype: float floatval( mixed $var );
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* Description: Returns the float value of var.
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*/
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// get a resource type variable
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$fp = fopen (__FILE__, "r");
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fclose($fp);
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$dfp = opendir ( dirname(__FILE__) );
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closedir($dfp);
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// other types in an array
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$not_float_types = array (
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"-2147483648" => -2147483648, // max negative integer value
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"2147483647" => 2147483648, // max positive integer value
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"file resoruce" => $fp,
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"directory resource" => $dfp,
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"\"0.0\"" => "0.0", // string
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"\"1.0\"" => "1.0",
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"\"-1.3e3\"" => "-1.3e3",
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"\"bob-1.3e3\"" => "bob-1.3e3",
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"\"10 Some dollars\"" => "10 Some dollars",
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"\"10.2 Some Dollars\"" => "10.2 Some Dollars",
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"\"10.0 dollar\" + 1" => "10.0 dollar" + 1,
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"\"10.0 dollar\" + 1.0" => "10.0 dollar" + 1.0,
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"\"\"" => "",
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"true" => true,
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"NULL" => NULL,
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"null" => null,
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);
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/* loop through the $not_float_types to see working of
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floatval() on non float types, expected output: float value valid floating point numbers */
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echo "\n*** Testing floatval() on non floating types ***\n";
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foreach ($not_float_types as $key => $type ) {
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echo "\n-- Iteration : $key --\n";
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var_dump( floatval($type) );
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}
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echo "\n*** Testing doubleval() on non floating types ***\n";
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/* loop through the $not_float_types to see working of
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doubleval() on non float types, expected output: float value valid floating point numbers */
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foreach ($not_float_types as $key => $type ) {
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echo "\n-- Iteration : $key --\n";
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var_dump( doubleval($type) );
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}
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?>
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===DONE===
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--EXPECTF--
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*** Testing floatval() on non floating types ***
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-- Iteration : -2147483648 --
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float(-2147483648)
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-- Iteration : 2147483647 --
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float(2147483648)
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-- Iteration : file resoruce --
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float(%d)
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-- Iteration : directory resource --
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float(%d)
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-- Iteration : "0.0" --
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float(0)
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-- Iteration : "1.0" --
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float(1)
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-- Iteration : "-1.3e3" --
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float(-1300)
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-- Iteration : "bob-1.3e3" --
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float(0)
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-- Iteration : "10 Some dollars" --
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float(10)
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-- Iteration : "10.2 Some Dollars" --
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float(10.2)
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-- Iteration : "10.0 dollar" + 1 --
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float(11)
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-- Iteration : "10.0 dollar" + 1.0 --
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float(11)
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-- Iteration : "" --
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float(0)
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-- Iteration : true --
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float(1)
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-- Iteration : NULL --
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float(0)
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-- Iteration : null --
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float(0)
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*** Testing doubleval() on non floating types ***
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-- Iteration : -2147483648 --
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float(-2147483648)
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-- Iteration : 2147483647 --
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float(2147483648)
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-- Iteration : file resoruce --
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float(%d)
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-- Iteration : directory resource --
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float(%d)
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-- Iteration : "0.0" --
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float(0)
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-- Iteration : "1.0" --
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float(1)
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-- Iteration : "-1.3e3" --
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float(-1300)
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-- Iteration : "bob-1.3e3" --
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float(0)
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-- Iteration : "10 Some dollars" --
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float(10)
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-- Iteration : "10.2 Some Dollars" --
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float(10.2)
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-- Iteration : "10.0 dollar" + 1 --
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float(11)
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-- Iteration : "10.0 dollar" + 1.0 --
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float(11)
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-- Iteration : "" --
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float(0)
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-- Iteration : true --
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float(1)
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-- Iteration : NULL --
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float(0)
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-- Iteration : null --
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float(0)
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===DONE===
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